ARRT Registry Exam Review Questions And Answers (100% Correct)

ARRT Registry Exam Review Questions And Answers (100% Correct) What is the correct term used to describe an intravenous injection of a concentrated volume of contrast media? a. bolus b. infusion c. extravasations d. luminal - a. bolus Which of the following methods utilizes a detector that captures x-ray energy and converts it into an electronic signal? a. indirect capture b. CCD c. cassette based radiography d. direct capture - d. direct capture The energy of a characteristic x-ray photon created when an L shell electron fills a K shell vacancy in a tungsten atom will have which of the following energies? a. 69.5 keV b. 57.5 keV c. 91.5 keV d. 12 keV - b. 57.5 keV The energy of characteristic photons is determined by the difference in binding energies between the two electron shells involved in the process, which in this question are K and L shells. 69.5 (K shell) minus 12 (L shell) equals 57.5. Identify the position that will place the positive contrast agent in the body of the stomach and pyloris during a double contrast upper GI exam? a. recumbent LPO b. supine c. recumbent RPO d. prone - d. prone which position/projection will best demonstrate the broad aspect of the frontal air sinus? - PA Which position will best demonstrate the right axillary portion of the ribs? - RPO Which position will emphasize the mucosal lining of the medial wall of the descending colon during a lower GI exam? - left lateral decubitus